One verse

Bhagavad Gita 4.34

4.34

तद्विद्धि प्रणिपातेन परिप्रश्नेन सेवया | उपदेक्ष्यन्ति ते ज्ञानं ज्ञानिनस्तत्त्वदर्शिनः ||४-३४||

tadviddhi praṇipātena paripraśnena sevayā . upadekṣyanti te jñānaṃ jñāninastattvadarśinaḥ ||4-34||

viddhi
try to understand
praṇipātena
by approaching a spiritual master
paripraśnena
by submissive inquiries
sevayā
by the rendering of service
upadekṣyanti
they will initiate
te
you
jñānam
into knowledge
jñāninaḥ
the self-realized
tattva
of the truth
darśinaḥ
seers
yat
which

Just try to learn the truth by approaching a spiritual master. Inquire from him submissively and render service unto him. The self-realized souls can impart knowledge unto you because they have seen the truth.